newTVar package:concurrency

Create a new TVar containing the given value.

newTVar = newTVarN ""

Create a new TVar containing the given value, but it is given a name which may be used to present more useful debugging information. If an empty name is given, a counter starting from 0 is used. If names conflict, successive TVars with the same name are given a numeric suffix, counting up from 1.

newTVarN _ = newTVar

Create a TVar. This may be implemented differently for speed.

newTVarConc = atomically . newTVar